When running an unattended installation, return error codes may be returned. Here is a list of the error codes and a description.
| Error code number | Error code description |
|---|---|
| 0 | Success. |
| -1 | General error. |
| -2 | Invalid mode. |
| -3 | Required data not found in the Setup.iss file. |
| -4 | Not enough memory available. |
| -5 | File does not exist. |
| -6 | Cannot write to the response file. |
| -7 | Cannot write to the log file. |
| -8 | Invalid path to the InstallShield Silent response file. |
| -9 | Not a valid list type (string or number). |
| -10 | Data type is invalid. |
| -11 | Unknown error during setup. |
| -12 | Dialog boxes are out of order. This is the most common error. This error is caused by an unexpected dialog box appearing during .iss file generation due to a system condition. |
| -51 | Cannot create the specified folder. |
| -52 | Cannot access the specified file or folder. |
| -53 | Invalid option selected. |